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92767 Studies found for: (NOT NOTEXT) [CITATIONS]
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Map Legend
Region Name   Number of Studies
World 92,767  
Africa   [map]   3,472  
Central America   [map]   1,319  
East Asia   [map]   9,034  
Japan 1,564   [studies]
Europe   [map]   28,538  
Middle East   [map]   3,926  
North America 41,406  
Canada   [map]   7,383   [studies]
Greenland 1   [studies]
Mexico 1,531   [studies]
United States   [map]   36,881   [studies]
North Asia   [map]   2,034  
Pacifica   [map]   2,838  
South America   [map]   4,145  
South Asia   [map]   1,782  
Southeast Asia   [map]   2,369  

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Studies with multiple locations are included in each region containing locations.